CN101220408A - Oil tube electrical heat quenching and tempering thermal treatment method and apparatus - Google Patents
Oil tube electrical heat quenching and tempering thermal treatment method and apparatus Download PDFInfo
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- CN101220408A CN101220408A CNA2008100195381A CN200810019538A CN101220408A CN 101220408 A CN101220408 A CN 101220408A CN A2008100195381 A CNA2008100195381 A CN A2008100195381A CN 200810019538 A CN200810019538 A CN 200810019538A CN 101220408 A CN101220408 A CN 101220408A
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Abstract
The invention discloses an oil pipe electric-heating quenching and tempering heat process method and a device thereof. At first, a steel pipe is transported from a feeding shelf (16) to a quenching furnace (2) through a delivery machine (1) to be heated up at the heating temperature of 850 DEG C to 1000 DEG C. Secondly, the heated steel pipe is transported to a cooling furnace (3) through the delivery machine (1) for spray cooling. The pressure of the water spray is 8MPa to 10MPa and the water flow is 500 cube meter per minute. The spray time is 10 seconds to 15 seconds and the temperature of the steel pipe after being sprayed is 100 DEG C. Then, the steel pipe after being sprayed is transported to a tempering furnace (4) through the delivery machine (1) to be heated up at the heating temperature of 500 DEG C to 800 DEG C. Finally, after tempering the steel pipe is transported to a blanking shelf (19) through the delivery machine (1). The invention adopts the electric-heating quenching and tempering heat processing method and the device to produce the oil casting with high level technology and high added value, thus satisfying the demand for the deep exploitation.
Description
Technical field
The present invention relates to oil pipe heat treating method and device, be specifically related to modified heat treating method of oil pipe electrically heated and device.
Background technology
Development along with international economy, demand to oil, natural gas source is constantly enlarging, because crude oil price improves constantly, cause that some reservoir depth are dark, sulfide hydrogen corrosion oil well higher, that cost of winning is higher also begins to exploit, just need have the tubing and casing of high grade of steel, high anti-sulphur, property such as anticorrosive to the exploitation of this type of oil well, promptly meet the C95 of API American Petroleum Institute (API), the higher tubing and casing of the P high-level technical value added of 110 these classes.At present, C95, P 110 tubing and casing are generally used steel grade productions such as 28CrMo, 30CrMo, and cost is higher, and adopt coal gas, hydraulic petroleum gas or Sweet natural gas producer to carry out modified thermal treatment, this heat treating method energy consumption is higher, and environmental pollution is bigger, the processing quality instability.
Summary of the invention
The objective of the invention is to: modified heat treating method of a kind of oil pipe electrically heated and device are provided, adopt this heat treating method and device to produce the high tubing and casing of high-level technical value added, satisfy the deep mining demand.
Technical solution of the present invention is that this heat treating method may further comprise the steps: at first, steel pipe is transported to the quenching furnance internal heating from stock shelf through feeder, Heating temperature 850-1000 ℃; Secondly, heating back steel pipe spray cooling in feeder is transported to cool furnace, water spray pressure 8～10MPa, and discharge 500 cubic meters per minute, spray time 10-15 second, the steel pipe temperature is 100 ℃ after spraying; Then, spray back steel pipe is transported to tempering stove heating, Heating temperature 500-800 ℃ through feeder; At last, steel pipe is transported to blanking rack through feeder after the tempering.
The modified thermal treatment unit of oil pipe electrically heated of the present invention, this device includes feeder, quenching furnance, cool furnace and tempering stove, and the feeder that the discontinuous distribution is installed is in one line, and feeder passes one group of quenching furnance, one group of cool furnace and one group of tempering stove successively; Described feeder is made up of support, motor, feed rolls, and feed rolls is rack-mount by the transmission of motor list roller; Described quenching furnance by power supply, organize the heat induced coil more and form, the many groups heat induced coil that connects power supply is installed in the burner hearth; Described cool furnace is made up of water pump, ring spray device, mounting ring spray apparatus in the burner hearth, and the inner ring uniform distribution nozzle of ring spray device, the multi-faceted water-in of establishing in the outer ring of ring spray device, water-in connects water pump by water pipe; Described tempering stove by power supply, organize the heat induced coil more and form, the many groups heat induced coil that connects power supply is installed in the burner hearth.
In the modified thermal treatment unit of oil pipe electrically heated of the present invention, the feed rolls of feeder is 15 ° and tilts to install.
In the modified thermal treatment unit of oil pipe electrically heated of the present invention, the bicolorimetric method infrared thermometer is installed on quenching furnance and tempering stove, temperature measurer connects power supply.
In the modified thermal treatment unit of oil pipe electrically heated of the present invention, install bin at the top of production line, the terminal of production line is installed blanking rack, and cooling blanking rack and cooling stock shelf are installed after the cool furnace.
In the modified thermal treatment unit of oil pipe electrically heated of the present invention, the installation of arranging successively of 15 groups of quenching furnances, 2 groups of cool furnace and 12 groups of tempering stoves, steel pipe at the quenching furnance internal heating to the technique initialization temperature, steel pipe at the cool furnace internal cooling to the technique initialization temperature, steel pipe at the tempering stove internal heating to the technique initialization temperature.
The present invention has the following advantages: 1. output height, adopt automatization serialization operation, and steel pipe is from beginning to end to be passed from quenching furnance, cool furnace and tempering stove incessantly, and every steel pipe finishes 35-55 second from being fed to tempering; 2. steel pipe is heated evenly, and the feed rolls of feeder is 15 ° and tilts to install, and has straight feeding correction and steel pipe rotation function, and body is heated evenly, body four phase balancing performances; 3. electrically heated is adopted in energy-conserving and environment-protective, reduces coal consumption, reduces smoke contamination; 4. thermometric is convenient accurate, adopts infrared thermometer, and temperature point avoids other factors to thermometric error directly on the body surface, regulates output power of power supply automatically, and the control Heating temperature guarantees the even of steel pipe temperature in the limit of error that allows; 5. modified cooling is even, adopts ring spray device circle formula to spray, Homogeneouslly-radiating, and cooling fast, complete through hardening tube wall, the vapor film that destroys the steel tube surface generation makes steel pipe reach martensite transformation temperature fast, reaches the quenched martensite structural transformation at short notice; 6. easy to operate, control is simple, realizes suitability for industrialized production, reduces labor strength, enhances productivity.
Description of drawings
Fig. 1 is a flowage structure synoptic diagram of the present invention.
Fig. 2 is the feeder structure synoptic diagram of Fig. 1.
Fig. 3 is the quenching furnance structural representation of Fig. 1.
Fig. 4 is the cool furnace structural representation of Fig. 1.
Fig. 5 is the sectional view of Fig. 4.
Among the figure: 1. feeder, 2. quenching furnance, 3. cool furnace, 4. tempering stove, 5. support, 6. motor, 7. feed rolls, 8. water pump, 9. ring spray device, 10. nozzle, 11. water-in, 12. water pipes, 13. power supplys, 14. organize the heat induced coil, 15. temperature measurers, 16. stock shelfs more, 17. the cooling blanking rack, 18. cooling stock shelfs, 19. blanking rack.
Embodiment
Shown in Fig. 1-4, this device includes feeder 1, quenching furnance 2, cool furnace 3 and tempering stove 4, and the feeder 1 that compartment distribute to be installed is in one line, and feeder passes one group of quenching furnance 2, one group of cool furnace 3 and one group of tempering stove 4 successively; Described feeder 1 is made up of support 5, motor 6, feed rolls 7, and feed rolls 7 is installed on the support 5 by motor 5 single roller transmissions; Described quenching furnance 2 by power supply 13, organize heat induced coil 14 more and form, the many groups heat induced coil 14 that connects power supply 13 is installed in the burner hearth; Described cool furnace 4 is made up of water pump 8, ring spray device 9, mounting ring spray apparatus 9 in the burner hearth, and the inner ring uniform distribution nozzle 10 of ring spray device 9, the multi-faceted water-in 11 of establishing in the outer ring of ring spray device 9, water-in 11 connects water pump 8 by water pipe 12; Described tempering stove 4 by power supply 13, organize heat induced coil 14 more and form, the many groups heat induced coil 14 that connects power supply 13 is installed in the burner hearth.
In the modified thermal treatment unit of oil pipe electrically heated of the present invention, the feed rolls 7 of feeder 1 is 15 ° and tilts to install.
In the modified thermal treatment unit of oil pipe electrically heated of the present invention, bicolorimetric method infrared thermometer 15 is installed on quenching furnance 2 and tempering stove 4, temperature measurer 15 connects power supply 13.
In the modified thermal treatment unit of oil pipe electrically heated of the present invention, install bin 16 and blanking rack 19 respectively at the end all the time of production line, cooling blanking rack 17 and cooling stock shelf 18 are installed in cool furnace 3 backs.
In the modified thermal treatment unit of oil pipe electrically heated of the present invention, the installation of arranging successively of 2,2 groups of cool furnace 3 of 15 groups of quenching furnances and 12 groups of tempering stoves 4, steel pipe at quenching furnance 2 internal heating to the technique initialization temperature, steel pipe at cool furnace 3 internal cooling to the technique initialization temperature, steel pipe at tempering stove 4 internal heating to the technique initialization temperature.
Example 1: at first, steel pipe is transported to one group of quenching furnance 2 internal heating, 850 ℃ of Heating temperatures from stock shelf 16 through feeder 1; Secondly, heating back steel pipe sprays cooling in feeder 1 is transported to one group of cool furnace 3, water spray pressure 8MPa, discharge 500 cubic meters per minute, spray time 10 seconds, 100 ℃ of spray back steel pipe temperature; Then, spray back steel pipe then through cooling blanking rack 17 blankings cooling, is transported to 4 heating of one group of tempering stove, 500 ℃ of Heating temperatures by cooling stock shelf 18 through feeder 1 again; At last, steel pipe is transported to blanking rack 19 through feeder 1 after the tempering.Detect the P110 tubing and casing of the specification 60.3 * 4.83mm of online production, its yield strength 800Mpa, tensile strength 890Mpa.
Example 2: at first, steel pipe is transported to one group of quenching furnance 2 internal heating, 925 ℃ of Heating temperatures from stock shelf 16 through feeder 1; Secondly, heating back steel pipe sprays cooling in feeder 1 is transported to one group of cool furnace 3, water spray pressure 9MPa, discharge 500 cubic meters per minute, spray time 13 seconds, 100 ℃ of spray back steel pipe temperature; Then, spray back steel pipe then through cooling blanking rack 17 blankings cooling, is transported to 4 heating of one group of tempering stove, 650 ℃ of Heating temperatures by cooling stock shelf 18 through feeder 1 again; At last, steel pipe is transported to blanking rack 19 through feeder 1 after the tempering.Detect the P110 tubing and casing of the specification 73.02 * 5.51mm of online production, its yield strength 815Mpa, tensile strength 875Mpa.
Example 3: at first, steel pipe is transported to one group of quenching furnance 2 internal heating, 1000 ℃ of Heating temperatures from stock shelf 16 through feeder 1; Secondly, heating back steel pipe sprays cooling in feeder 1 is transported to one group of cool furnace 3, water spray pressure 10MPa, discharge 500 cubic meters per minute, spray time 15 seconds, 100 ℃ of spray back steel pipe temperature; Then, spray back steel pipe then through cooling blanking rack 17 blankings cooling, is transported to 4 heating of one group of tempering stove, 800 ℃ of Heating temperatures by cooling stock shelf 18 through feeder 1 again; At last, steel pipe is transported to blanking rack 19 through feeder 1 after the tempering.Detect the C95 tubing and casing of the specification 73.02 * 5.51mm of online production, its yield strength 710Mpa, tensile strength 805Mpa.
Claims (6)
1. the modified heat treating method of oil pipe electrically heated, it is characterized in that this heat treating method may further comprise the steps: at first, steel pipe is transported to quenching furnance (2) internal heating, Heating temperature 850-1000 ℃ from stock shelf (16) through feeder (1); Secondly, heating back steel pipe spray cooling through feeder (1) is transported to cool furnace (3) in, and water sprays pressure 8～10MPa, discharge 500 cubic meters per minute, and spray time 10-15 second, the steel pipe temperature is 100 ℃ after spraying; Then, spray back steel pipe is transported to tempering stove (4) heating, Heating temperature 500-800 ℃ through feeder (1); At last, steel pipe is transported to blanking rack (19) through feeder (1) after the tempering.
2. the modified thermal treatment unit of oil pipe electrically heated, it is characterized in that: this device includes feeder (1), one group of quenching furnance (2), one group of cool furnace (3) and one group of tempering stove (4), the feeder (1) that the compartment distribution is installed is in one line, and feeder passes one group of quenching furnance (2), one group of cool furnace (3) and one group of tempering stove (4) successively; Described feeder (1) is made up of support (5), motor (6), feed rolls (7), and feed rolls (7) is installed in support (5) and goes up by the single roller transmission of motor (5); Described quenching furnance (2) by power supply (13), organize heat induced coil (14) more and form, the many groups heat induced coil (14) that connects power supply (13) is installed in the burner hearth; Described cool furnace (4) is made up of water pump (8), ring spray device (9), mounting ring spray apparatus (9) in the burner hearth, the inner ring uniform distribution nozzle (10) of ring spray device (9), the multi-faceted water-in (11) of establishing in the outer ring of ring spray device (9), water-in (11) connects water pump (8) by water pipe (12); Described tempering stove (4) by power supply (13), organize heat induced coil (14) more and form, the many groups heat induced coil (14) that connects power supply (13) is installed in the burner hearth.
3. the modified thermal treatment unit of oil pipe electrically heated according to claim 2 is characterized in that: the feed rolls (7) of feeder (1) is 15 ° and tilts to install.
4. the modified thermal treatment unit of oil pipe electrically heated according to claim 2 is characterized in that: go up installation bicolorimetric method infrared thermometer (15) at quenching furnance (2) and tempering stove (4), temperature measurer (15) connects power supply (13).
5. the modified thermal treatment unit of oil pipe electrically heated according to claim 2 is characterized in that: install bin (16) and blanking rack (19) respectively at the end all the time of production line, cooling blanking rack (17) and cooling stock shelf (18) are installed in cool furnace (3) back.
6. the modified thermal treatment unit of oil pipe electrically heated according to claim 2, it is characterized in that: the installation of arranging successively of 15 groups of quenching furnances (2), 2 groups of cool furnace (3) and 12 groups of tempering stoves (4), steel pipe at quenching furnance (2) internal heating to the technique initialization temperature, steel pipe at cool furnace (3) internal cooling to the technique initialization temperature, steel pipe at tempering stove (4) internal heating to the technique initialization temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100195381A CN101220408A (en) | 2008-01-23 | 2008-01-23 | Oil tube electrical heat quenching and tempering thermal treatment method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100195381A CN101220408A (en) | 2008-01-23 | 2008-01-23 | Oil tube electrical heat quenching and tempering thermal treatment method and apparatus |
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| CN101220408A true CN101220408A (en) | 2008-07-16 |
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| CNA2008100195381A Pending CN101220408A (en) | 2008-01-23 | 2008-01-23 | Oil tube electrical heat quenching and tempering thermal treatment method and apparatus |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824515A (en) * | 2010-05-06 | 2010-09-08 | 安徽力源数控刃模具制造有限公司 | Isothermal progressive induction heating surface quenching method |
| CN102676780A (en) * | 2012-05-30 | 2012-09-19 | 江苏华程工业制管股份有限公司 | Hardening and tempering technology of alloy-steel tube |
| CN102994721A (en) * | 2012-11-29 | 2013-03-27 | 宜兴市金鼎炉业有限公司 | Spiral conveying mechanism for oil pipe tempering production line |
| CN104294029A (en) * | 2014-11-06 | 2015-01-21 | 天津前云东方能源科技有限公司 | Heat treatment device for expansion pipe |
| CN106435144A (en) * | 2016-08-31 | 2017-02-22 | 安吉县鹏大钢管有限公司 | Thermal refining production line of geology steel tube for exploration |
| CN108048630A (en) * | 2018-01-31 | 2018-05-18 | 中国重型机械研究院股份公司 | One kind passes through formula steel pipe tempering product line and methods for using them |
| CN110317931A (en) * | 2019-06-30 | 2019-10-11 | 安徽宇艳智能机械科技有限公司 | A kind of multifunctional intelligent steel annealing device |
| CN110373535A (en) * | 2019-07-11 | 2019-10-25 | 张家港高合特种合金材料有限公司 | A kind of intelligence multistation heating control system |
| US11268165B2 (en) | 2018-12-11 | 2022-03-08 | Shinda (Tangshan) Creative Oil & Gas Equipment Co., Ltd. | Homogenization process for coiled tubing |
| CN115074495A (en) * | 2022-05-30 | 2022-09-20 | 大庆市龙兴石油机械有限公司 | Quenching and tempering process for outer wall supersonic frequency quenching oil pipe and oil pipe |
-
2008
- 2008-01-23 CN CNA2008100195381A patent/CN101220408A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824515A (en) * | 2010-05-06 | 2010-09-08 | 安徽力源数控刃模具制造有限公司 | Isothermal progressive induction heating surface quenching method |
| CN102676780A (en) * | 2012-05-30 | 2012-09-19 | 江苏华程工业制管股份有限公司 | Hardening and tempering technology of alloy-steel tube |
| CN102676780B (en) * | 2012-05-30 | 2013-10-30 | 江苏华程工业制管股份有限公司 | Hardening and tempering technology of alloy-steel tube |
| CN102994721A (en) * | 2012-11-29 | 2013-03-27 | 宜兴市金鼎炉业有限公司 | Spiral conveying mechanism for oil pipe tempering production line |
| CN104294029A (en) * | 2014-11-06 | 2015-01-21 | 天津前云东方能源科技有限公司 | Heat treatment device for expansion pipe |
| CN106435144A (en) * | 2016-08-31 | 2017-02-22 | 安吉县鹏大钢管有限公司 | Thermal refining production line of geology steel tube for exploration |
| CN108048630A (en) * | 2018-01-31 | 2018-05-18 | 中国重型机械研究院股份公司 | One kind passes through formula steel pipe tempering product line and methods for using them |
| US11268165B2 (en) | 2018-12-11 | 2022-03-08 | Shinda (Tangshan) Creative Oil & Gas Equipment Co., Ltd. | Homogenization process for coiled tubing |
| CN110317931A (en) * | 2019-06-30 | 2019-10-11 | 安徽宇艳智能机械科技有限公司 | A kind of multifunctional intelligent steel annealing device |
| CN110373535A (en) * | 2019-07-11 | 2019-10-25 | 张家港高合特种合金材料有限公司 | A kind of intelligence multistation heating control system |
| CN115074495A (en) * | 2022-05-30 | 2022-09-20 | 大庆市龙兴石油机械有限公司 | Quenching and tempering process for outer wall supersonic frequency quenching oil pipe and oil pipe |
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Open date: 20080716 |